Miele S 648 Operating Instructions Manual - Page 28

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Maintenance and care

Exhaust filter change indicator

Some models are equipped with an ex-

haust filter change indicator (Re-set

button 7) which is designed for the

change cycle of an ACTIVE air clean or

an ACTIVE HEPA filter. The indicator

lights up after approx. 50 hours of oper-

ation which is equivalent to about a

year of average use.

The vacuum cleaner can still be used

with the exhaust filter indicator lit up.

However, the suction power will be re-

duced as will the effectiveness of the fil-

ter if it is not replaced in good time.

The filter change indicator light will

have no significance if a SUPER air

clean filter (a) has been fitted, but

should still be re-set.

Re-setting the filter change indicator

The filter change indicator (Re-set but-

ton 7), needs to be re-set each time

the filter is replaced. To do this the vac-

uum cleaner must be connected to the

electricity supply.

^ Press on the filter change indicator

light until it goes out. The display is

now back in the starting position

again.